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2921.22.50.00/N,N'-Diacetyl Hexamethylenediamine/Japan

N,N'-Diacetyl Hexamethylenediamine from Japan

Acetylated derivative of hexamethylenediamine used as pharmaceutical intermediate and polymer crosslinker. Classifies under HTS 2921.22.5000 as derivative of the base polyamine. Melting point 80-85°C.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Declare acetyl group content and provide acetyl number test results

• Store/transport below 40°C to maintain stability; document temperature control

• Differentiate from finished APIs to avoid pharmaceutical Chapter 30